0111Gmhtp Pumping17 Zoom
396 Stroker Motor - Air Induction - Pumping Up, Part 2
After porting the heads and intake, Bill Strope Jr. took our pieces to Extrude Hone's facility in Irwin, PA to have them checked on a flow bench. The porting work performed by Aaron met our airflow goal with no problem, which took a load off our mind. Due to time constraints, no radiused fixtures (on the intake) or flow extensions (on the exhaust) were used by the Extrude Hone staff--much to our dismay. Even without a radiused inlet, the intake port flowed 279.4 cfm at .500-inch lift, a figure that would be 3 to 5 percent higher had a proper clay radius or a Brezinsky fixture been used. We estimate the true intake port flow to be somewhere between 287 and 293 cfm, well over our 285 cfm goal with our 195 cc port. View Related Article
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